<template>
  <el-upload
    class="upload-demo"
    ref="upload"
    action="https://jsonplaceholder.typicode.com/posts/"
    :on-preview="handlePreview"
    :on-remove="handleRemove"
    :file-list="fileList"
    :auto-upload="false"
  >
    <el-button slot="trigger" size="small" type="primary">选取文件</el-button>
    <el-button style="margin-left: 10px" size="small" type="success" @click="submitUpload"
      >上传到服务器</el-button
    >
    <div slot="tip" class="el-upload__tip">只能上传jpg/png文件，且不超过500kb</div>
  </el-upload>
</template>
<script>
export default {
  data() {
    return {
      fileList: [],
    };
  },
  methods: {
    submitUpload() {
      this.$refs.upload.submit();
    },
    handleRemove(file, fileList) {
      console.log(file, fileList);
    },
    handlePreview(file) {
      console.log(file);
    },
  },
};
</script>
